Radiotherapy mask



FIG. 1 is a perspective view of a radiotherapy mask according to my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof, the opposite left side being a mirror image;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is an exploded, perspective view thereof; and,

FIG. 8 is a sectional view thereof, taken on line 8-8 of FIG. 4. 

CLAIM The ornamental design for a radiotherapy mask, as shown and described. 